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Substituted to the original ch7 code.

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This commit is contained in:
Yifan Wu 2022-01-18 02:48:50 -08:00
parent 4fdd55e2e8
commit 57f7debbc6
50 changed files with 2786 additions and 128 deletions
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6
os/src/syscall/mod.rs
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@ -1,3 +1,5 @@
const SYSCALL_DUP: usize = 24;
const SYSCALL_OPEN: usize = 56;
const SYSCALL_CLOSE: usize = 57;
const SYSCALL_PIPE: usize = 59;
const SYSCALL_READ: usize = 63;
@ -18,6 +20,8 @@ use process::*;
pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
match syscall_id {
SYSCALL_DUP=> sys_dup(args[0]),
SYSCALL_OPEN => sys_open(args[0] as *const u8, args[1] as u32),
SYSCALL_CLOSE => sys_close(args[0]),
SYSCALL_PIPE => sys_pipe(args[0] as *mut usize),
SYSCALL_READ => sys_read(args[0], args[1] as *const u8, args[2]),
@ -27,7 +31,7 @@ pub fn syscall(syscall_id: usize, args: [usize; 3]) -> isize {
SYSCALL_GET_TIME => sys_get_time(),
SYSCALL_GETPID => sys_getpid(),
SYSCALL_FORK => sys_fork(),
SYSCALL_EXEC => sys_exec(args[0] as *const u8),
SYSCALL_EXEC => sys_exec(args[0] as *const u8, args[1] as *const usize),
SYSCALL_WAITPID => sys_waitpid(args[0] as isize, args[1] as *mut i32),
_ => panic!("Unsupported syscall_id: {}", syscall_id),
}